Question

Are mesas and buttes formed due to arid fluvial erosion?

Answer 1

Answer:

Explanation:

Formation. Buttes form by weathering and erosion when hard caprock overlies a layer of less resistant rock that is eventually worn away. The harder rock on top of the butte resists erosion. The caprock provides protection for the less resistant rock below from wind abrasion which leaves it standing isolated.

Answer 2

In arid regions occasional rainstorms produce numerous rills and channels which extensively erode weak sedimentary formations. Ravines and gullies are developed by linear fluvial erosion leading to the formation of badland topography.

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